Each of the dot plots shown represents the number of glue sticks brought in by each student for two classes, class A and class B. Suppose the number of glue sticks for each student in Class A was doubled. Which statement best describes how the standard deviation of the number of glue sticks for Class A would change?
The standard deviation would decrease.
The standard deviation would remain the same.
The standard deviation would be multiplied by 2.
The standard deviation would be multiplied by 4.
